40725499 has 2 divisors, whose sum is σ = 40725500. Its totient is φ = 40725498.

The previous prime is 40725469. The next prime is 40725511. The reversal of 40725499 is 99452704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40725499 - 2⁹ = 40724987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40725409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20362749 + 20362750.

It is an arithmetic number, because the mean of its divisors is an integer number (20362750).

Almost surely, 2^40725499 is an apocalyptic number.

40725499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40725499 is an equidigital number, since it uses as much as digits as its factorization.

40725499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 40725499 is about 6381.6533124262. The cubic root of 40725499 is about 344.0504562505.

The spelling of 40725499 in words is "forty million, seven hundred twenty-five thousand, four hundred ninety-nine".